只有在以某种有价值的东西做目的时，性命才有价值。

农业的未来在于将传统知识与尖端生物技术相结合。

"Light is the key. Without light, there is no image."

领导力中最重要的是倾听——真正倾听你周围的人。

我们不是从祖先那里继承地球；我们是从子孙那里借来的。

Because thought implies judgement, and because we are all paranoid enough to take judgement to be negative, it is constitutionally suspect in the bedroom.